

    \filetitle{irisrequired}{Throw error if the installed version of IRIS fails to comply with the required minimum}{config/irisrequired}

	\paragraph{Syntax}\label{syntax}

\begin{verbatim}
irisrequired(V)
\end{verbatim}

\paragraph{Input arguments}\label{input-arguments}

\begin{itemize}
\itemsep1pt\parskip0pt\parsep0pt
\item
  \texttt{V} {[} char {]} - Text string describing the oldest acceptable
  distribution of IRIS.
\end{itemize}

\paragraph{Description}\label{description}

If the version of IRIS present on the computer does not comply with the
minimum requirement \texttt{v}, an error is thrown.

\paragraph{Example}\label{example}

All of the three calls are valid:

\begin{verbatim}
irisrequired(20111222);
irisrequired('20111222');
irisrequired 20111222;
\end{verbatim}


